A Raspberry Pi VPN server is a cost effective and secure way to have access to your home network when you're on the move. It's pretty easy to get setup and very reliable.
A Raspberry PI NAS or network attached storage is a great way to have a shared drive that's accessible to everyone on the same network. You can limit access to the drive if you don't want certain people in your files.
Dibujo arquitectónico increíble perspectiva
Artes de Peter Chan para o filme RIO (de 2011) | THECAB - The Concept Art Blog